package com.gxuwz.medical.web.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.gxuwz.medical.database.DbUtil;
import com.gxuwz.medical.domain.user.User;
import com.gxuwz.medical.tools.UserDao;

public class UserServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public UserServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html;charset=utf-8");
		
		UserDao ud = new UserDao();
		List<User> list;
		try {
			list = ud.query();
			request.getSession().setAttribute("list", list);
			request.getRequestDispatcher("/page/user/user.jsp").forward(request, response);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String method= request.getParameter("method");
        if ("adduser".equals(method)) {
        	adduser(request, response);
        }else if("updateuser".equals(method)){
        	updateuser(request, response);
        }else if("deluser".equals(method)){
        	deluser(request, response);
        }
		
	}

	private void adduser(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException{
        
		String userid = request.getParameter("userid");
		String pwd = request.getParameter("pwd");
		String fullname = request.getParameter("fullname");
		UserDao u = new UserDao();
		User uu = new User();
		uu.setUserid(userid);
		uu.setPwd(pwd);
		uu.setFullname(fullname);
		u.save(uu);
	}
	private void updateuser(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException{
        
		String userid = request.getParameter("userid");
		String pwd = request.getParameter("pwd");
		String fullname = request.getParameter("fullname");
		UserDao u = new UserDao();
		User uu = new User();
		uu.setUserid(userid);
		uu.setPwd(pwd);
		uu.setFullname(fullname);
		u.save(uu);
	}
	private void deluser(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException{
        
		String userid = request.getParameter("userid");
		String pwd = request.getParameter("pwd");
		String fullname = request.getParameter("fullname");
		UserDao u = new UserDao();
		User uu = new User();
		uu.setUserid(userid);
		uu.setPwd(pwd);
		uu.setFullname(fullname);
		u.save(uu);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
